Quick answers
- Which hospitals does Ahmar A. Butt work at?
- Medicare's official clinician data lists Ahmar A. Butt at 1 hospital: Brooklyn Hospital Center - Downtown Campus. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ahmar A. Butt see patients?
- Medicare's clinician data lists 2 practice locations, including Brooklyn, NY. Call before your visit to confirm the address.
- What is Ahmar A. Butt's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Ahmar A. Butt accept Medicare assignment?
- Yes. Medicare's clinician data says Ahmar A. Butt accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Ahmar A. Butt?
- (718) 250-8000, as listed in official Medicare / NPI Registry data.
- What is Ahmar A. Butt's NPI number?
- 1619983871. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ahmar A. Butt works
Medicare's Facility Affiliation Data lists Ahmar A. Butt at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Brooklyn Hospital Center - Downtown CampusBrooklyn, NY · Acute Care Hospital · CCN 330056
Practice locations
Addresses where Ahmar A. Butt is enrolled with Medicare (CMS data updated 2026-10-02).
- 121 Dekalb AveBrooklyn, NY 11201 (718) 250‑8000
- 121 Dekalb Ave, 1stBrooklyn, NY 11201 (718) 250‑8621
Group practices
Medicare enrollment lists Ahmar A. Butt as a member of this group (CMS data updated 2026-10-02).
- TBHC Medical Services PC32 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Brooklyn
Clinicians with the same Medicare primary specialty in Brooklyn, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1983 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1619983871 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians